121333231112 has 16 divisors (see below), whose sum is σ = 228151675500. Its totient is φ = 60492784320.

The previous prime is 121333231099. The next prime is 121333231121. The reversal of 121333231112 is 211132333121.

It can be written as a sum of positive squares in 2 ways, for example, as 121322642596 + 10588516 = 348314^2 + 3254^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21725939 + ... + 21731522.

Almost surely, 2^121333231112 is an apocalyptic number.

It is an amenable number.

121333231112 is a deficient number, since it is larger than the sum of its proper divisors (106818444388).

121333231112 is a wasteful number, since it uses less digits than its factorization.

121333231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43457816 (or 43457812 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 121333231112 its reverse (211132333121), we get a palindrome (332465564233).

The spelling of 121333231112 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred thirty-one thousand, one hundred twelve".